Matches 251 - 300 out of 416 < 1 2 3 4 5 6 7 8 9 >
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4851306 Molten salt electrolyte battery cell with overcharge tolerance  
A molten salt electrolyte battery having an increased overcharge tolerance employs a negative electrode with two lithium alloy phases of different electrochemical potential, one of which allows...
4849309 Overcharge tolerant high-temperature cells and batteries  
In a lithium-alloy/metal sulfide high temperature electrochemical cell, cell damage caused by overcharging is avoided by providing excess lithium in a high-lithium solubility phase alloy in the...
4780437 Fabrication of catalytic electrodes for molten carbonate fuel cells  
A porous layer of catalyst material suitable for use as an electrode in a molten carbonate fuel cell includes elongated pores substantially extending across the layer thickness. The catalyst layer...
4764437 Lithium disulfide battery  
A negative electrode limited secondary electrochemical cell having dense FeS 2 positive electrode operating exclusively on the upper plateau, a Li alloy negative electrode and a suitable...
4761487 Method for improving voltage regulation of batteries, particularly Li/FeS.sub.2 thermal batteries  
Batteries are improved, especially with respect to voltage regulation properties, by employing as anode and cathode compositions, those which fall in a thermodynamically invariant region of the...
4751086 Aluminum anode alloy  
An electrochemically active aluminum alloy is described which consists essentially of 0.01 to 0.20 percent by weight of indium, at least one of 0.01 to 0.25 percent by weight of manganese and 0.01...
4745038 Integrated gasification iron-air electrical system  
An integrated gasification iron-air electrical system, capable of generating electrical energy from a carbon containing material, is made, the system containing a gasification furnace having at...
4735629 Method for producing a double hydroxide active material  
A positive electrode for alkaline storage cells is disclosed. The active material for the positive electrode is a double hydroxide of the formula [M 2 + (1-x) Fe 3 + x (OH) 2 ] x + [(x/n)X n -....
4731307 Methods for achieving the equilibrium number of phases in mixtures suitable for use in battery electrodes, e.g., for lithiating FeS.sub.2  
In a method for preparing lithiated, particulate FeS 2 useful as a catholyte material in a lithium thermal battery, whereby the latter's voltage regulation properties are improved, comprising...
4728590 Electrochemical cell with high discharge/charge rate capability  
A fully charged positive electrode composition for an electrochemical cell includes FeS 2 and NiS 2 in about equal molar amounts along with about 2-20 mole percent of the reaction product Li 2 ...
4696875 Positive electrode for alkaline storage cells  
A positive electrode for alkaline storage cells is disclosed. The active material for the positive electrode is a double hydroxide of the formula [M 2 + (1-x) Fe 3 + x (OH) 2 ] x + [(x/n)X n -....
4683181 Electrochemical generator with composite electrode  
Electrochemical generator, the electrolyte of which is made of a macromolecular material comprising a salt in solution and of which the positive electrode is a composite electrode which comprises...
4675257 Iron-lithium anode for thermal battery  
An improved lithium anode for thermal batteries wherein a metal screen is positioned between and substantially co-extensive with an anode composite comprising lithium and a particulate metal and a...
4675256 Thermal battery comprising iron pyrite depolarizer and ferric sulfate additive  
Ferric sulfate is added to the iron pyrite depolarizer of a thermal battery to provide a predetermined voltage transient on activation of the battery.
4632890 Anode metal treatment and use of said anode in cell  
Gassing is significantly reduced in electrochemical cells having anodes of polycrystalline metals, such as zinc, by heat treatment of the anode metal at a temperature below that of the melting...
4608324 Organic electrolyte cell  
An organic electrolyte cell using copper oxide as a cathode active material and lithium or a lithium base alloy as an anode active material has a high energy density and is interchangeable with a...
4604335 High rate cathode formulation  
An alkali metal, non-aqueous electrolyte cell having a cathode active material with minor amounts of powdered zinc and sulfur. The process of making the cathode includes pelletizing the powdered...
4579724 Cathode material for alkali-metal rechargeable cell  
A low-temperature synthesis of M II PS 3 (M preferably Fe, Co or Ni) comprises mixing M 2 + cation with P 2 S 6 4 - anion; if insoluble, M II PS 3 precipitates; otherwise, M 2 + cation can...
4568484 Insoluble lead or lead alloy electrode  
Disclosed herein is an insoluble lead or lead alloy electrode adapted for electroplating and having a power supply hanger of a high electroconductive material. The electrode plate includes a clad...
4540642 Cell design for lithium alloy/metal sulfide battery  
The disclosed lithium alloy/iron sulfide cell design provides loop-like positive and negative sheet metal current collectors electrically insulated from one another by separator means, the positive...
4514473 Method of manufacturing an electrode for an electrochemical cell, and an electrode manufactured by the method  
An intimate mixture is prepared of a conductive metal powder and an active material in granular form. The mixture is then sintered by passing it through a variable magnetic field which is varied to...
4508800 Cell with FeBr.sub.3 cathode  
A non-aqeous electrochemical cell having an alkali or alkaline earth metal anode, an inorganic electrolyte comprised of an electrolyte salt and sulfur dioxide and a cathode comprised of FeBr 3 .
4499160 Cathode and electrochemical cell containing same  
A novel composite cathode for use in electrochemical lithium reserve cells comprising a self-supporting structure or a grid-supported structure of porous carbon, a binder and a transition metal...
4497726 Electrode material  
A cathode active material, which is especially useful as the cathode in a lithium high energy density nonaqueous cell operating on the principle of intercalation, has the general formula Li x M y ...
4481267 Insoluble heavy metal polysulfide cathodes  
Heavy metal polysulfides which are insoluble in non-aqueous electrolytes and having the formula M x m (S y ) z -2 (wherein M is a heavy metal such as iron, cobalt, copper or nickel; S is sulfer;...
4464447 Rechargeable lithium batteries with non-metal electrodes  
Utilization of Fe 2 O 3 , or more generally M 2 O 3 materials, after suitable electrochemical reaction with lithium, as improved non-metal lithium electrodes for the realization of lithium...
4463070 Cylindrical galvanic cells having a polygonal shaped anode disc  
A polygonal shaped anode disc, such as lithium, housed in a sealed cylindrical cupped container and a method for producing the polygonal anode disc for use in galvanic cells, such as miniature...
4461812 Lightweight storage battery  
A hybrid lightweight storage battery combining aspects of conventional storage batteries and fuel cells in a manner such that the structural weight of the battery is minimized, whereas the power...
4452873 Positive electrode for galvanic high-temperature cells and method of its manufacture  
A positive electrode for galvanic high-temperature cells with solid negative electrodes based upon Li, Mg, Ca or Al is produced by sintering a heavy metal sulfide (e.g. FeS, CnS), with a heavy...
4448858 Chemically rechargeable battery  
Batteries (50) containing oxidized, discharged metal electrodes such as an iron-air battery are charged by removing and storing electrolyte in a reservoir (98), pumping fluid reductant such as...
4446212 Electrochemical cell  
An improved secondary electrochemical cell is disclosed having a negative electrode of lithium aluminum, a positive electrode of iron sulfide, a molten electrolyte of lithium chloride and potassium...
4444857 Electrochemical cell including a solid electrolyte made from a cation conductive vitreous compound  
An electrochemical cell having a lithium based negative active material, an electrolyte in the form of a vitreous cation conductive compound having a formula: aP 2 S 5 , bLi 2 S, cLiX, where X...
4443526 NiCO.sub.3 Electrode material and electrode  
A battery plate is made by loading a supporting porous metallic plaque with an electrode paste comprising: (1) NiCO 3 , (2) cobalt additive, (3) sufficient water to form a paste, and optionally (4)...
4440837 Positive electrode current collector for liquid metal cells  
A current collector for the positive electrode of an electrochemical cell with a positive electrode including a sulfide. The cell also has a negative electrode and a molten salt electrolyte...
4419424 Electrodes for electrochemical cells current generating cells and rechargeable accumulators  
Electrodes using essentially insoluble active material are disclosed which can be used in a variety of electrochemical cells and rechargeable accumulators. Plastic materials are used to ensure...
4419422 Sulfide-containing cathode for nonaqueous cells  
A sulfide-containing cathode for nonaqueous cells such as AgBiS 2 , Co 2 Bi 2 S 5 , CoBi 2 S 4 and FeSb 2 S 4 .
4401714 Corrosion resistant positive electrode for high-temperature, secondary electrochemical cell  
The corrosion rate of low carbon steel within a positive electrode of a high-temperature, secondary electrochemical cell that includes FeS as active material is substantially reduced by...
4401737 Protective active nitrides as additives to nonaqueous cathode materials  
A method for preparing stable non-stoichiometric cathode material to provide cathodes useful in non-aqueous electrochemical cells having an active metal (e.g. lithium) anode. The method comprises...
4390461 Ferrite electrode material  
A ferrite electrode material composed principally of a composition comprising barium oxide and iron oxide and having been calcined with heating in an inert gas atmosphere is excellent in minimizing...
4390604 Complex metal sulfide cathodes for nonaqueous cells  
A solid cathode for nonaqueous cells comprising complex metal sulfides such as PbFeS 2 , Co 0 .5 Fe 1 .5 S 2 , Co 1 .5 Fe 0 .5 S 2 and CoFeS 2 .
4386019 Method of making electrodes for electrochemical cell  
A method of making an electrode for an electrochemical cell in which particulate electrode-active material is mixed with a liquid organic carrier chemically inert with respect to the...
4383015 Iron-silver battery having a shunt electrode  
An iron-silver battery is made, comprising at least one positive silver electrode plate; at least one negative iron electrode plate; and at least one shunt electrode connected to and electrically...
4383014 Additive for iron disulfide cathodes used in thermal batteries  
The invention comprises thermal batteries employing an FeS 2 depolarizer, i.e. cathode material, and the depolarizer itself. A minor amount of CaSi 2 preferably, 1-3% by weight is provided as an...
4381258 Electronic cell with a non-aqueous electrolyte  
An electric cell with a non-aqueous electrolyte. The cell includes a positive electrode whose active material is suitable for inserting the negative active material dynamically, a negative...
4379815 Cell having mixed solid cathode materials for controlling cell expansion on discharge  
A galvanic cell employing a consumable anode such as lithium, a cathode that expands during cell discharge and an electrolyte, wherein the improvement is that the cathode is composed of a physical...
4367159 Method for uniformly distributing carbon flakes in a positive electrode, the electrode made thereby and compositions  
A positive electrode for a secondary electrochemical cell wherein an electrically conductive current collector is in electrical contact with a particulate mixture of gray cast iron and an alkali...
4358513 Electrochemical cell and negative electrode therefor  
A secondary electrochemical cell with the positive and negative electrodes separated by a molten salt electrolyte with the negative electrode comprising a particulate mixture of lithium-aluminum...
4356101 Iron active electrode and method of making same  
An iron active electrode and method of preparing same in which iron sulfate is calcined in an oxidizing atmosphere at a temperature in the range of from about 600° C. to about 850° C. for a time...
4335192 Method of preparing a sintered iron electrode  
To activate metallic sintered iron electrodes, ammonium halogenides are suitable as activating means, mixed with the iron powder right from the start, if appropriate together with conductive...
4332869 Metal-rich iron sulfide cathode material  
An electrolytic cell having an active metal anode, an electrolyte compatible with the anode metal and a cathode of metal-rich iron sulfide said cathode being substantially devoid of sulfur-rich...
Matches 251 - 300 out of 416 < 1 2 3 4 5 6 7 8 9 >